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> South Dakota > Zip Code 57718
| Zip Code : | 57718 |
| City : | Blackhawk, Summerset city |
| County : | Meade County, Pennington County |
| State : | South Dakota (SD) |
| Land Area : | 22.63 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 44.1707320 |
| Longitude : | -103.3681942 |
| Population (2010): | 6,307 |
| Population Estimate (2012) : | 6,357 |
| Population Density : | 278.65/sq mi |
| Housing Units (2012) : | 2,520 |
| Median Household Income (2012) : | $59,448 (South Dakota : $49,091, USA : $53,046) |
| Median Family Income (2012) : | $63,125 (South Dakota : $62,967, USA : $64,585) |
| Median House Price (2012) : | $154,200 (South Dakota : $129,800, USA : $181,400) |